synfig-core/trunk/src/synfig/main.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file synfig/main.cpp
   3 **      \brief \writeme
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007, 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 //#define SYNFIG_NO_ANGLE
  27
  28 #ifdef USING_PCH
  29 #       include "pch.h"
  30 #else
  31 #ifdef HAVE_CONFIG_H
  32 #       include <config.h>
  33 #endif
  34
  35 #include <iostream>
  36 #include "version.h"
  37 #include "general.h"
  38 #include "module.h"
  39 #include <cstdlib>
  40 #include <ltdl.h>
  41 #include <stdexcept>
  42 #include "target.h"
  43 #include <ETL/stringf>
  44 #include "listimporter.h"
  45 #include "color.h"
  46 #include "vector.h"
  47 #include <fstream>
  48 #include "layer.h"
  49 #include "valuenode.h"
  50
  51 #include "main.h"
  52 #include "loadcanvas.h"
  53
  54 #include "guid.h"
  55
  56 #include "mutex.h"
  57
  58 #ifdef HAVE_SIGNAL_H
  59 #include <signal.h>
  60 #endif
  61
  62 #endif
  63
  64 using namespace std;
  65 using namespace etl;
  66 using namespace synfig;
  67
  68 /* === M A C R O S ========================================================= */
  69
  70 #define MODULE_LIST_FILENAME    "synfig_modules.cfg"
  71
  72 /* === S T A T I C S ======================================================= */
  73
  74 static etl::reference_counter synfig_ref_count_(0);
  75
  76 /* === P R O C E D U R E S ================================================= */
  77
  78 /* === M E T H O D S ======================================================= */
  79
  80 const char *
  81 synfig::get_version()
  82 {
  83 #ifdef VERSION
  84         return VERSION;
  85 #else
  86         return "Unknown";
  87 #endif
  88 }
  89
  90 const char *
  91 synfig::get_build_date()
  92 {
  93         return __DATE__;
  94 }
  95
  96 bool
  97 synfig::check_version_(int version,int vec_size, int color_size,int canvas_size,int layer_size)
  98 {
  99         bool ret=true;
 100
 101         if(version!=SYNFIG_LIBRARY_VERSION)
 102         {
 103                 synfig::error(_("API Version mismatch (LIB:%d, PROG:%d)"),SYNFIG_LIBRARY_VERSION,version);
 104                 ret=false;
 105         }
 106         if(vec_size!=sizeof(Vector))
 107         {
 108                 synfig::error(_("Size of Vector mismatch (app:%d, lib:%d)"),vec_size,sizeof(Vector));
 109                 ret=false;
 110         }
 111         if(color_size!=sizeof(Color))
 112         {
 113                 synfig::error(_("Size of Color mismatch (app:%d, lib:%d)"),color_size,sizeof(Color));
 114                 ret=false;
 115         }
 116         if(canvas_size!=sizeof(Canvas))
 117         {
 118                 synfig::error(_("Size of Canvas mismatch (app:%d, lib:%d)"),canvas_size,sizeof(Canvas));
 119                 ret=false;
 120         }
 121         if(layer_size!=sizeof(Layer))
 122         {
 123                 synfig::error(_("Size of Layer mismatch (app:%d, lib:%d)"),layer_size,sizeof(Layer));
 124                 ret=false;
 125         }
 126
 127         return ret;
 128 }
 129
 130 static void broken_pipe_signal (int /*sig*/)  {
 131         synfig::warning("Broken Pipe...");
 132 }
 133
 134 bool retrieve_modules_to_load(String filename,std::list<String> &modules_to_load)
 135 {
 136         if(filename=="standard")
 137         {
 138                 return false;
 139 /*
 140                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_bmp")==modules_to_load.end())
 141                         modules_to_load.push_back("trgt_bmp");
 142                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_gif")==modules_to_load.end())
 143                         modules_to_load.push_back("trgt_gif");
 144                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_dv")==modules_to_load.end())
 145                         modules_to_load.push_back("trgt_dv");
 146                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_ffmpeg")==modules_to_load.end())
 147                         modules_to_load.push_back("mod_ffmpeg");
 148                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_imagemagick")==modules_to_load.end())
 149                         modules_to_load.push_back("mod_imagemagick");
 150                 if(find(modules_to_load.begin(),modules_to_load.end(),"lyr_std")==modules_to_load.end())
 151                         modules_to_load.push_back("lyr_std");
 152                 if(find(modules_to_load.begin(),modules_to_load.end(),"lyr_freetype")==modules_to_load.end())
 153                         modules_to_load.push_back("lyr_freetype");
 154 #ifdef HAVE_LIBPNG
 155                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_png")==modules_to_load.end())
 156                         modules_to_load.push_back("trgt_png");
 157 #endif
 158 #ifdef HAVE_OPENEXR
 159                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_openexr")==modules_to_load.end())
 160                         modules_to_load.push_back("mod_openexr");
 161 #endif
 162 */
 163         }
 164         else
 165         {
 166                 std::ifstream file(filename.c_str());
 167                 if(!file)
 168                 {
 169                 //      warning("Cannot open "+filename);
 170                         return false;
 171                 }
 172                 while(file)
 173                 {
 174                         String modulename;
 175                         getline(file,modulename);
 176                         if(!modulename.empty() && find(modules_to_load.begin(),modules_to_load.end(),modulename)==modules_to_load.end())
 177                                 modules_to_load.push_back(modulename);
 178                 }
 179         }
 180
 181         return true;
 182 }
 183
 184 synfig::Main::Main(const synfig::String& basepath,ProgressCallback *cb):
 185         ref_count_(synfig_ref_count_)
 186 {
 187         if(ref_count_.count())
 188                 return;
 189
 190         synfig_ref_count_.reset();
 191         ref_count_=synfig_ref_count_;
 192
 193         // Add initialization after this point
 194
 195 #ifdef ENABLE_NLS
 196         bindtextdomain("synfig", LOCALEDIR);
 197 #endif
 198
 199         String prefix=basepath+"/..";
 200         unsigned int i;
 201 #ifdef _DEBUG
 202         std::set_terminate(__gnu_cxx::__verbose_terminate_handler);
 203 #endif
 204
 205 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 206         signal(SIGPIPE, broken_pipe_signal);
 207 #endif
 208
 209         //_config_search_path=new vector"string.h"();
 210
 211         // Init the subsystems
 212         if(cb)cb->amount_complete(0, 100);
 213         if(cb)cb->task(_("Starting Subsystem \"Modules\""));
 214         if(!Module::subsys_init(prefix))
 215                 throw std::runtime_error(_("Unable to initialize subsystem \"Module\""));
 216
 217         if(cb)cb->task(_("Starting Subsystem \"Layers\""));
 218         if(!Layer::subsys_init())
 219         {
 220                 Module::subsys_stop();
 221                 throw std::runtime_error(_("Unable to initialize subsystem \"Layers\""));
 222         }
 223
 224         if(cb)cb->task(_("Starting Subsystem \"Targets\""));
 225         if(!Target::subsys_init())
 226         {
 227                 Layer::subsys_stop();
 228                 Module::subsys_stop();
 229                 throw std::runtime_error(_("Unable to initialize subsystem \"Targets\""));
 230         }
 231
 232         if(cb)cb->task(_("Starting Subsystem \"Importers\""));
 233         if(!Importer::subsys_init())
 234         {
 235                 Target::subsys_stop();
 236                 Layer::subsys_stop();
 237                 Module::subsys_stop();
 238                 throw std::runtime_error(_("Unable to initialize subsystem \"Importers\""));
 239         }
 240
 241         if(cb)cb->task(_("Starting Subsystem \"ValueNodes\""));
 242         if(!ValueNode::subsys_init())
 243         {
 244                 Importer::subsys_stop();
 245                 Target::subsys_stop();
 246                 Layer::subsys_stop();
 247                 Module::subsys_stop();
 248                 throw std::runtime_error(_("Unable to initialize subsystem \"ValueNodes\""));
 249         }
 250
 251         // Load up the list importer
 252         Importer::book()[String("lst")]=ListImporter::create;
 253
 254         // Load up the modules
 255         std::list<String> modules_to_load;
 256         std::vector<String> locations;
 257
 258         if(!getenv("SYNFIG_MODULE_LIST"))
 259         {
 260                 locations.push_back("standard");
 261                 locations.push_back("./"MODULE_LIST_FILENAME);  //1
 262                 locations.push_back("../etc/"MODULE_LIST_FILENAME);     //1
 263                 locations.push_back("~/.synfig/"MODULE_LIST_FILENAME); //2
 264                 locations.push_back(prefix+"/etc/"+MODULE_LIST_FILENAME); //3
 265                 locations.push_back("/usr/local/etc/"MODULE_LIST_FILENAME);
 266         #ifdef SYSCONFDIR
 267                 locations.push_back(SYSCONFDIR"/"MODULE_LIST_FILENAME);
 268         #endif
 269         #ifdef __APPLE__
 270                 locations.push_back("/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME);
 271                 locations.push_back("/Library/Synfig/"MODULE_LIST_FILENAME);
 272                 locations.push_back("~/Library/Synfig/"MODULE_LIST_FILENAME);
 273         #endif
 274         #ifdef WIN32
 275                 locations.push_back("C:\\Program Files\\Synfig\\etc\\"MODULE_LIST_FILENAME);
 276         #endif
 277         }
 278         else
 279         {
 280                 locations.push_back(getenv("SYNFIG_MODULE_LIST"));
 281         }
 282 /*
 283         const char *locations[]=
 284         {
 285                 "standard",     //0
 286                 "./"MODULE_LIST_FILENAME,       //1
 287                 "../etc/"MODULE_LIST_FILENAME,  //1
 288                 "~/.synfig/"MODULE_LIST_FILENAME, //2
 289                 "/usr/local/lib/synfig/modules/"MODULE_LIST_FILENAME, //3
 290                 "/usr/local/etc/"MODULE_LIST_FILENAME,
 291 #ifdef SYSCONFDIR
 292                 SYSCONFDIR"/"MODULE_LIST_FILENAME,
 293 #endif
 294 #ifdef __APPLE__
 295                 "/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME,
 296                 "/Library/SYNFIG/"MODULE_LIST_FILENAME,
 297                 "~/Library/SYNFIG/"MODULE_LIST_FILENAME,
 298 #endif
 299 #ifdef WIN32
 300                 "C:\\Program Files\\SYNFIG\\etc\\"MODULE_LIST_FILENAME,
 301 #endif
 302         };
 303 */
 304
 305         for(i=0;i<locations.size();i++)
 306                 if(retrieve_modules_to_load(locations[i],modules_to_load))
 307                         if(cb)cb->task(strprintf(_("Loading modules from %s"),locations[i].c_str()));
 308
 309         std::list<String>::iterator iter;
 310
 311         Module::register_default_modules(cb);
 312
 313         for(i=0,iter=modules_to_load.begin();iter!=modules_to_load.end();++iter,i++)
 314         {
 315                 Module::Register(*iter,cb);
 316                 if(cb)cb->amount_complete((i+1)*100,modules_to_load.size()*100);
 317         }
 318
 319         if(cb)cb->amount_complete(100, 100);
 320         if(cb)cb->task(_("DONE"));
 321 }
 322
 323 synfig::Main::~Main()
 324 {
 325         ref_count_.detach();
 326         if(!synfig_ref_count_.unique())
 327                 return;
 328         synfig_ref_count_.detach();
 329
 330         // Add deinitialization after this point
 331
 332         if(get_open_canvas_map().size())
 333         {
 334                 synfig::warning("Canvases still open!");
 335                 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
 336                 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
 337                 {
 338                         synfig::warning("%s: count()=%d",iter->first.c_str(), iter->second.count());
 339                 }
 340         }
 341
 342         // synfig::info("ValueNode::subsys_stop()");
 343         ValueNode::subsys_stop();
 344         // synfig::info("Importer::subsys_stop()");
 345         Importer::subsys_stop();
 346         // synfig::info("Target::subsys_stop()");
 347         Target::subsys_stop();
 348         // synfig::info("Layer::subsys_stop()");
 349         Layer::subsys_stop();
 350         /*! \todo For some reason, uncommenting the next line will cause things to crash.
 351                           This needs to be looked into at some point. */
 352         // synfig::info("Module::subsys_stop()");
 353         // Module::subsys_stop();
 354         // synfig::info("Exiting");
 355
 356 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 357         signal(SIGPIPE, SIG_DFL);
 358 #endif
 359 }
 360
 361 static const String
 362 current_time()
 363 {
 364         const int buflen = 50;
 365         time_t t;
 366         struct tm *lt;
 367         char b[buflen];
 368         time(&t);
 369         lt = localtime(&t);
 370         strftime(b, buflen, " [%X] ", lt);
 371         return String(b);
 372 }
 373
 374 void
 375 synfig::error(const char *format,...)
 376 {
 377         va_list args;
 378         va_start(args,format);
 379         error(vstrprintf(format,args));
 380 }
 381
 382 void
 383 synfig::error(const String &str)
 384 {
 385         static Mutex mutex; Mutex::Lock lock(mutex);
 386         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("error")<<": "+str<<endl;
 387 }
 388
 389 void
 390 synfig::warning(const char *format,...)
 391 {
 392         va_list args;
 393         va_start(args,format);
 394         warning(vstrprintf(format,args));
 395 }
 396
 397 void
 398 synfig::warning(const String &str)
 399 {
 400         static Mutex mutex; Mutex::Lock lock(mutex);
 401         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("warning")<<": "+str<<endl;
 402 }
 403
 404 void
 405 synfig::info(const char *format,...)
 406 {
 407         va_list args;
 408         va_start(args,format);
 409         info(vstrprintf(format,args));
 410 }
 411
 412 void
 413 synfig::info(const String &str)
 414 {
 415         static Mutex mutex; Mutex::Lock lock(mutex);
 416         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("info")<<": "+str<<endl;
 417 }